Modular multifunctional Janus-structure film offering multiple anisotropic conduction, polychromatic luminescence and tuned magnetism

Abstract

The microstructure and macrostructure design of multifunctional materials is a key to greatly reduce negative influences among different functional materials. Here, modular Janus-structure film (MJF) offering multiple anisotropic conduction, polychromatic luminescence and tuned magnetism is assembled using electro-spinning. {PMMA/PANI//PMMA/Eu(BA)3phen} Janus-structure nanoribbon, {PMMA/Fe3O4//PMMA/Tb(BA)3phen} Janus-structure nanoribbon and PMMA/Tb(BA)3phen/Eu(BA)3phen composite microfiber are, respectively, used as microconstruction units to manufacture various functional modules, including conduction-red luminescence module (C-RL module (down)) in down layer of MJF, conduction-red luminescence module (C-RL module (up), orange luminescence module (OL module) and magnetism-green luminescence module (M-GL module) in up layer of MJF. The structure, multiple anisotropic conduction, polychromatic luminescence and tuned magnetism of MJF are systematically studied. Micro-Janus-structure nanoribbon and macromodular structure, respectively, realize the micro- and macropartitions to avoid the adverse interferences among different functions. Such special structure, novel design philosophy and technology provide a new way for the construction of other multifunctional materials. The multiple anisotropic conduction of material expands the variety of anisotropic conductive materials and extends the application range, and further realizes the flexible applications of materials according to the specific requirements. The constructed new nanomaterials will have extensive applications in nanodevices and nanotechnology.